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neovim sends terminal control codes in silent Ex mode #4640

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rkitover opened this issue Apr 24, 2016 · 1 comment
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neovim sends terminal control codes in silent Ex mode #4640

rkitover opened this issue Apr 24, 2016 · 1 comment
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@rkitover
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  • Neovim version: master
  • [x ] Vim behaves differently?
    • Vim version: 7.4
  • Operating system/version: Mac OS X El Capitan
  • Terminal name/version: iterm latest
  • $TERM: screen-256color

Actual behaviour

This command flashes the screen to blank and back:

nvim -Es +'sleep 1100 m' +q

Expected behaviour

No terminal control codes should be printed.

Steps to reproduce using nvim -u NONE

nvim -u NONE -Es +'sleep 1100 m' +q
rkitover added a commit to rkitover/vimpager that referenced this issue Apr 24, 2016
@rkitover
fix ex command to sleep for 1.1s for neovim
fdc48d0 
The vim -Es command to sleep for 1.1s in vimcat flashes the screen when
vim is neovim, fix this by adding >/dev/null.

See neovim/neovim#4640.
rkitover referenced this issue in rkitover/vimpager Apr 24, 2016
@rkitover
vimcat: stream to file if fifo doesn't work #167
58d5648 
On Windows and Solaris stream output to a file instead of a fifo, and
give tail -f 1.1s to catch up at the end.

This leads to jerkier output than a working fifo.
@justinmk
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Try --headless:

nvim --headless -u NONE -Es +'sleep 1100 m' +q

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@rkitover @justinmk